12/18: Amid funerals, schools reopen in Newtown; "Plan B" to "fiscal cliff" negotiations

      |As more children are laid to rest in Newtown, Conn., classrooms have re-opened for the first time since the Sandy Hook Elementary School massacre. Jim Axelrod reports on a grieving town's struggle to get back to normal; And, House Speaker John Boehner unveiled what he called "Plan B," backup legislation, in case he and the president cannot strike a deal in their "fiscal cliff" negotiations.

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